a3121llt Allegro MicroSystems, Inc., a3121llt Datasheet - Page 6

• Manufacturer Part Number: a3121llt
• Description: Hall Effect Switches For High Temperature Operation
• Manufacturer: Allegro MicroSystems, Inc.

NOTES: 1. Exact body and lead configuration at vendor’s option within limits shown.
0.167
0.155
0.047
0.035
0.059
BSC
Pads 1, 2, 3, and A — Standard SOT89 Layout
Pads 1, 2, 3, and B — Low-Stress Version
Pads 1, 2, and 3 only — Lowest Stress, But Not Self Aligning
0.028
2. Supplied in bulk pack (500 pieces per bag) or add "TR" to part number for tape and reel.
3. Only low-temperature ( 240 C) reflow-soldering techniques are recommended for SOT89 devices.
TYP
1
1
B
0.072
0.064
0.118
0.181
0.173
BSC
0.098
0.079
2
A
2
0.0221
0.0173
3
3
0.031
0.0189
0.0142
0.102
0.090
0.047
0.102
0.031
TYP
0.181
0.063
0.055
0.090
0.084
Dwg. MA-012-3 in
Dwg. MA-009-3A in
0.0173
0.0138
4.25
3.94
Pads 1, 2, 3, and A — Standard SOT89 Layout
Pads 1, 2, 3, and B — Low-Stress Version
Pads 1, 2, and 3 only — Lowest Stress, But Not Self Aligning
1.20
0.89
1.50
BSC
0.7
TYP
FOR HIGH-TEMPERATURE
1
HALL-EFFECT SWITCHES
1
B
1.83
1.62
3.00
4.60
4.40
BSC
2.5
2.0
2
A
2
3
0.56
0.44
3121, 3122,
3
0.8
0.48
0.36
2.60
2.29
2.6
1.2
0.8
TYP
4.6
OPERATION
1.60
1.40
Dwg. MA-012-3 mm
2.29
2.13
AND
Dwg. MA-009-3A mm
3123
0.44
0.35